The scribe takes the silver and drops it into a small wooden chest sitting on the table. From the same chest, he produces a small piece of official looking paper. "You'll be needing this. Keep it on you at all times. It shows that you've paid the entrance tax. It's good for thirty days. After thirty days you'll need to pay another silver and get a new chit. Lose the chit and it'll cost you a silver to get another one."
He then gives directions to the Toothless Dragon and Kharn hurries off.
"Next!" The scribe calls out. "Name, nationality, occupation?"